ⓐ (2x−3)(2x+3)
These are conjugates. They have the same first numbers, and the same last numbers, and one binomial is a sum and the other is a difference. It fits the Product of Conjugates pattern.
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| Use the pattern. |
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| Simplify. |
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ⓑ (8x−5)2
We are asked to square a binomial. It fits the binomial squares pattern.
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| Use the pattern. |
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| Simplify. |
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ⓒ (6m+7)2
Again, we will square a binomial so we use the binomial squares pattern.
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| Use the pattern. |
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| Simplify. |
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ⓓ (5x−6)(6x+5)
This product does not fit the patterns, so we will use FOIL.
Use FOIL.Simplify.(5x−6)(6x+5)30x2+25x−36x−3030x2−11x−30